The is a 3.7v 2600mah Li-ion battery pack, Compatible with Croove B0143KH9KG battery replacement. Approximate size: 2.68*1.46*0.75 Inch with XH2.54 /2p plug connector, 18650 with jst connector. Weight: 2.65 oz. The Voice Amplifier Replacement Battery with XH2.54 - 2Pin Plug, --- Before purchasing, pls confirm if it meets your needs. 18650 with bms rechargeable Li-Ion batteries 3.7V, 2600 mAh 9.62Wh, Weight: 1.76oz. SAFETY FEATURES The rechargeable 3.7V LiPo battery is made of high quality materials and has built-in protection against overcharging, and short circuits. This ensures that the battery works optimally and eliminates the risk of potential hazards. The is a 3.7v 2600mah Li-ion battery pack, Compatible/ fits Croove B0143KH9KG battery replacment.

 Packing List:
3.7 V Batterie 2600 mAh x 1

 Specifications:
Battery Type: Lithium Ion Rechargeable Battery.
Battery Capacity: 2600mAh.
Nominal Voltage: 3.7V.
Limited Charge Voltage: 4.2V.
Power: 9.62Wh.
Shutdown voltage:2.85V.